NielsenIQ Software Engineer Interview Questions, Process, and Tips

Q1. Explain OOPS concept
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OOPS (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data and code.
• OOPS focuses on creating objects that interact with each other to solve a problem

• It involves concepts like classes, objects, inheritance, polymorphism, and encapsulation

• Example: Inheritance allows a class to inherit properties and behavior from another class
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Q2. Boxing,umboxing / ref,out / async programming
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Q3. [1,1,2,3,4,5,5] remove duplicate from given list
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Remove duplicates from a given list of numbers
• Create a new list to store unique elements

• Iterate through the given list and add elements to the new list if they are not already present

• Return the new list as the result
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Mostly two questions will be given to you. Both having Data structures based. The logic is more important rather than the implementation.

Questions related to what will you do incase bug arises in existing code.

Q1. This round will be with the Director level associate. May ask some basic questions about Data Structure.
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Da and algo on array, string and list

Q1. Basic ds and algon in java
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Q2. Duplicate in array
Ans. 
Find duplicates in an array of strings.
• Iterate through the array and use a hash set to keep track of seen elements.

• If an element is already in the hash set, it is a duplicate.

• Example: ['apple', 'banana', 'apple', 'orange'] should return 'apple' as a duplicate.
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Q3. Reverse of sentence
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The reverse of a sentence is the words in the sentence in reverse order.
• Split the sentence into words

• Reverse the order of the words

• Join the words back together
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Its a offline test, which requires you to solve 2 scenario based program questions

It's a live coding round, which requires you to solve the problems and need a proper explanation for the same

It's a live round , where you have to design a high level design and tech stack architecture for e-commerce sector . Followed by few technical questions

Q1. It's a behavioral round with your manager, where you need to prepare about some scenario based questions and also study about the company history
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Q2. What you know about NIELSENIQ?
Ans. 
NIELSENIQ is a software quality measurement tool used to evaluate the quality of software products.
• NIELSENIQ measures software quality based on various factors such as maintainability, reliability, and efficiency.

• It provides a score that indicates the overall quality of the software product.

• NIELSENIQ can be used to identify areas of improvement in software development processes.

• It is commonly used in software engineeri...read more
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Q1. Package & salary discussion
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Q1. Basics Technical Application Based Functional
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Q2. 1. Basic Technical Knowledge Till Date qhat you have 2. Applucation based or Tool based Knowledge 3. Functionality wise broad Knowledge
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Q1. Coding for Development/Automation
Ans. 
Coding for development/automation involves writing efficient and scalable code to automate tasks and improve processes.
• Understand the problem and identify the best approach for automation

• Write clean and modular code that is easy to maintain and update

• Use appropriate tools and frameworks to streamline development

• Test thoroughly to ensure reliability and accuracy

• Continuously optimize and improve the automation process
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Q2. Having strong ability to clear coding based knowledge in Development or Automation perspective
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Q3. Basic HR Discussion regarding your company and salary
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Q1. Share details of your previous job.
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Q2. What is your family background?
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Q3. What are your salary expectations?
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